#A4331F#A4331F

#A4331F is a mid, vivid red. Relative luminance 0.104; OKLCH L 48.7% C 0.152 H 32.4°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#A4331F
RGB	rgb(164, 51, 31)
HSL	hsl(9, 68%, 38%)
HSV	hsv(9, 81%, 64%)
CMYK	cmyk(0%, 68.9%, 81.1%, 35.7%)
CIE-LAB	lab(38.48, 45.44, 37.75)
CIE-LCH	lch(38.48, 59.08, 39.72°)
OKLab	oklab(48.7% 0.1286 0.0816)
OKLCH	oklch(48.7% 0.152 32.4)
XYZ	xyz(16.7429, 10.3616, 2.4144)
Luminance	0.1036 (WCAG relative)
Temperature	warm
Family	red

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#A4331F #1F90A4

analogous

#A41F4D #A4331F #A4761F

triadic

#A4331F #1FA433 #331FA4

tetradic

#A4331F #4DA41F #1F90A4 #761FA4

square

#A4331F #4DA41F #1F90A4 #761FA4

split-complementary

#A4331F #1FA476 #1F4DA4

monochromatic

#3D130C #712315 #A4331F #D7442A #E0715D

Accessibility & contrast

On white

6.84

#A4331F on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#A4331F on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #A4331F

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##A4331F	#FFFFFF	#000000	##FFFFFF
##A4331F	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#544B1C

Deuteranopia (green-blind)

#70641A

Tritanopia (blue-blind)

#B50C2F

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #a4331f;
/* rgb */ color: rgb(164, 51, 31);
/* oklch */ color: oklch(48.7% 0.152 32.4);

Tailwind

colors: {
  custom: {
    50: '#c7715c',
    500: '#a4331f',
    950: '#000000',
  },
}

SCSS

$custom: #a4331f;
$custom-light: #c7715c;
$custom-dark: #000000;

JSON

{
  "hex": "#a4331f",
  "rgb": {
    "r": 164,
    "g": 51,
    "b": 31
  },
  "hsl": {
    "h": 9.023,
    "s": 68.205,
    "l": 38.235
  },
  "oklch": {
    "l": 0.48703,
    "c": 0.15224,
    "h": 32.4
  },
  "luminance": 0.10359
}

Semantic roles & 50–950 ramp

primary

#A4331F

secondary

#5AB5C5

accent

#D1EB3D

background

#FDF7F5

surface

#FAEDE9

border

#D3C8C5

text

#150804

muted

#837B79

Preview Lab

Preview with #A4331F

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →